398341860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2389}}^1$

素因数の和:2805

約数の個数: 96

約数和(自身を含む): 1278439680

約数和(自身を除く): 880097820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 397, 420, 794, 1191, 1588, 1985, 2382, 2389, 2779, 3970, 4764, 4778, 5558, 5955, 7167, 7940, 8337, 9556, 11116, 11910, 11945, 13895, 14334, 16674, 16723, 23820, 23890, 27790, 28668, 33348, 33446, 35835, 41685, 47780, 50169, 55580, 66892, 71670, 83370, 83615, 100338, 143340, 166740, 167230, 200676, 250845, 334460, 501690, 948433, 1003380, 1896866, 2845299, 3793732, 4742165, 5690598, 6639031, 9484330, 11381196, 13278062, 14226495, 18968660, 19917093, 26556124, 28452990, 33195155, 39834186, 56905980, 66390310, 79668372, 99585465, 132780620, 199170930, 398341860]

約数ペア:

[(1, 398341860), (2, 199170930), (3, 132780620), (4, 99585465), (5, 79668372), (6, 66390310), (7, 56905980), (10, 39834186), (12, 33195155), (14, 28452990), (15, 26556124), (20, 19917093), (21, 18968660), (28, 14226495), (30, 13278062), (35, 11381196), (42, 9484330), (60, 6639031), (70, 5690598), (84, 4742165), (105, 3793732), (140, 2845299), (210, 1896866), (397, 1003380), (420, 948433), (794, 501690), (1191, 334460), (1588, 250845), (1985, 200676), (2382, 167230), (2389, 166740), (2779, 143340), (3970, 100338), (4764, 83615), (4778, 83370), (5558, 71670), (5955, 66892), (7167, 55580), (7940, 50169), (8337, 47780), (9556, 41685), (11116, 35835), (11910, 33446), (11945, 33348), (13895, 28668), (14334, 27790), (16674, 23890), (16723, 23820)]